The End

I just leave my cock inside Millie after I have finished cuming for a few seconds, then slowly slip it out. Millie emits a disappointed sounded moan as my cock comes out, but she is still fast asleep.

I use my underwear to clean up as best I can, then put a blanket over Millie and sneak quietly to my room. I play with my computer for a while, then suddenly I hear a key in the look and my dad shouting:

"Honey I'm home!"

Followed by:

"Merry Christmas!"

Then:

"Wow! You waited up for me wearing that, you're amazing! Just let me take a shower first."

I hear my dad walk into the bed room and the shower turn on. A few seconds later, my door opens and Millie stands there, a blanket wrapped around her, giving me a "I know what you did but you are going to get away with it" stare.